fix(iothub-client): Fix device messages with DTDL component name fail…

… over HTTP Fix HttpTransportHandler fails to translate message.SystemProperties["dt-subject"] because of missing mapping in CustomHeaderConstants, so telemetry messages from devices following IoT Plug and Play conventions fail to be sent over HTTP.
Azure · May 5, 2021 · 071ac3c · 071ac3c
1 parent c1797a0
commit 071ac3c
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/iothub/device/src/Common/WebApi/CustomHeaderConstants.cs b/iothub/device/src/Common/WebApi/CustomHeaderConstants.cs
@@ -218,5 +218,10 @@ internal static class CustomHeaderConstants
         /// Used to indicate that the message is a security message
         /// </summary>
         public const string InterfaceId = "iothub-interface-id";
+
+        /// <summary>
+        /// Used to specify the DTDL component name
+        /// </summary>
+        public const string ComponentName = "dt-subject";
     }
 }
diff --git a/iothub/device/src/Transport/HttpTransportHandler.cs b/iothub/device/src/Transport/HttpTransportHandler.cs
@@ -38,7 +38,8 @@ internal sealed class HttpTransportHandler : TransportHandler
             { MessageSystemPropertyNames.CreationTimeUtc, CustomHeaderConstants.CreationTimeUtc },
             { MessageSystemPropertyNames.ContentType, CustomHeaderConstants.ContentType },
             { MessageSystemPropertyNames.ContentEncoding, CustomHeaderConstants.ContentEncoding },
-            { MessageSystemPropertyNames.InterfaceId, CustomHeaderConstants.InterfaceId }
+            { MessageSystemPropertyNames.InterfaceId, CustomHeaderConstants.InterfaceId },
+            { MessageSystemPropertyNames.ComponentName, CustomHeaderConstants.ComponentName }
         };
 
         private static readonly IDictionary<string, string> s_mapHttpHeadersToMessageProperties = new Dictionary<string, string>